president obama, former president george w. bush, jimmy carter, they also plan to attend. a foreign affairs correspondent joins us now in johannesburg, south africa. so the preparations are underway >> it's remarkable. the world is coming together to south africa and that is what a spokesman for the government said today. we have been watching as the dignitaries arrived in this is the former and final home with nelson mandela. as you can imagine, south africa security is gearing up. 11,000 troops and police have been deployed in over 70 heads of state are coming to this country. president obama, 26 congressmen, adding friends and those from around the world. prince charles all the way to raul castro. they will all be there in johannesburg, not far from the neighborhood where nelson mandela spent so much of his life. tens of thousands of dignitaries and the range of people that will be there at that event and elsewhere, telling us just how huge the reach of this man was. heather: thank you and we will be covering it. bill: a medical emergency on a cruise ship. the daring re